O'Neil microFlash Series - Manual (Page 113)

User Manual and Technical Guide The O'Neil microFlash Series of Printers Appendix B: Query
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ESC{ST?}
Status
Query Format: ESC{ST?}
Reply Format: {ST!E:x;L:x;P:x;R:x;B:x;H:x}
Function: Shows whether next print request is doable, or
returns info about errors from the last request.
Reply Example: {ST!E:N;L:D;P:P;R:62;B:O,H:O}
Reply Explanation:
ST! This is a reply to a STATUS query.
E:N; There are no errors.
L:D; The paper release lever is down, ready to print.
P:P; Paper is present.
R:62; 62K bytes remain in the input buffer.
B:O; Acceptable battery voltage and temperature.
H:O; Print head temperature is in acceptable range.
* Rows marked with asterisk apply to Easy Print and Line Printer Mode. Rows
without an asterisk apply only to Easy Print.
Query Reply Definition
E N N = no error *
E c c = command error (invalid command)
E d d = data error (e.g. letter in numeric-only bar code)
E f f = font not available
E g g = global parameter error
E o o = overrun of buffer *
E p p = field parameter error
E q q = qmark not found *
E r r = row/column error
E s s = syntax error
L U,D Lever = Up or Down
P P,N Paper = Present or Not present
R nn RAM buffer size remaining, in K bytes.
B O,T,
V
Battery condition - O = OK; T = out of Temperature
range; V = out of Voltage range
.
H O,T Printhead Temperature - O = OK, T = out of range.